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Treadmill belt jerky - Proform Exercise & Fitness

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: The treadmill starts up Ok

Hi,Try recalibrate your treadmill, follow the this procedure to recalibrate it, stand on the side rails on the treadmill for safety purposes, remove the safety key. Press and hold the two incline buttons. The incline buttons are blue and on the left side of the display. Hold the up and down button simultaneously. Release the buttons when the display reads "Calibration."
Press the green start button located either above or below the large, red stop button (depending on your model). Stay on the side rails as the treadmill belt begins to move. Both the speed and incline should go through their full range from lowest to highest, and then back down again. see if this fix the problem.

Posted on Jun 19, 2011

  • 12223 Answers

SOURCE: changed belt, now treadmill runs jerky

Dear Sir:

I will try to help you, please see the videos, and follows step carefully:

If you need further assistance, please reach me.

Do this with Some basic tools, Screwdriver + Hexagonal.

sincerely. God bless you.


Posted on Oct 14, 2011

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Related Questions:

1 Answer

Walking on tread mill is jerky. almost like some one keeps putting the break on

Hi There, have you lubricated the deck lately? does the belt glide easily over the deck with your foot pushing it and the power to the treadmill off? If the belt glides easily with your foot, but not when powered, you're motor control board could be about to fail. capacitors routinely go bad on these controllers over the years. You can find further help by emailing gregATbuyfitnessrepairpartsDOTcom
good luck!!

Feb 07, 2016 | Bladez Ion 9.9 Fold-up Treadmill

1 Answer

Technofit ts500I treadmill When its running the treadmill starts and runs fine. However when I get on it, it the speed becomes jerky running slow fast slow fast making it impossible to use.

If someone spilled a drink on the belt, it will become sticky as it dries. The belt will try to stick to the bed of the treadmill. Loosen belt, wipe clean the bed, underside of belt, and end rollers.

Apr 24, 2014 | Exercise & Fitness

1 Answer

Jerky when using

There may be a problem with the running belt being loose.
Or a motor problem.

Dec 13, 2013 | Proform 630ds Treadmill Front Roller

1 Answer

Life fitness F1 Treadmill is Jerky when walking or running - what can I do to fix it?

1) Lube the deck belt, this happen because the lack of maintenance, use 100% silicones or wax, check your instr. manual
2) Lube the rollers bearint with wd-40
3) Test the drive belt motor, for cracking or worn belt
4) Test the input voltage motor, if there are the motor need repair, see my personal TIPS for motor help.
5) Test the output voltage board, for input voltage motor, if there are NOT the board is faulty. see the block diagram
God bless you


Dec 04, 2012 | Exercise & Fitness

1 Answer

Healthrider 500sel

B) Walking Belt/Motor Belt too Tight:

If you have adjusted the walking belt or motor belt recently, check for this problem. When the belts start slipping, some people just crank

down the belts and on treadmills, tighter is not necessarily better. The tighter the belts, the more the drive system has to work to keep

everything moving. You should be able to lift the walking belt (with the treadmill unplugged) in the center of the treadmill about 3" without

straining. Tighter belts should be loosen but make sure you don't create a dangerous slipping situation by loosening.

The motor belt (with the treadmill unplugged) should be able to be turned by hand to almost a 90 degree angle from its normal operating

position. Loosen the belt if too tight. Make sure to test for slipping

and if it does with the proper tension, replace the motor belt.



Oct 30, 2011 | Exercise & Fitness

1 Answer

Jerky treadmill

Please check out this tip I wrote. Please let me know if you need anymore help.

Apr 08, 2010 | Proform Crosswalk 500 Treadmill

1 Answer

Treadmill may be slipping

Depending if this is a new issue or old, It could be a couple of issues. Check the belts for slipping. Proper tension on walking belt (check your manual) or drive belt -remove the cover and you might be able to see if the belt is slipping or it could be a load issue (electronics not sensing added load fast enough). My bet is belt tension. Also Lubricate,lubricate,lubricate

Feb 28, 2009 | Reebok Exercise & Fitness

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